Table 4.
Prognostic factors associated with duration of exclusive breastfeeding (Cox proportional hazards regression analysis, N = 279).
| Variable in the Equation | Duration of Exclusive Breastfeeding | |||||
|---|---|---|---|---|---|---|
| B | SE | p-Value | aHR | 95.0% CI | ||
| Lower | Upper | |||||
| Preterm | 0.494 | 0.239 | 0.04 | 1.64 | 1.026 | 2.62 |
| Hospital stay (days) | 0.003 | 0.003 | 0.32 | 1.00 | 0.997 | 1.01 |
| Previous breastfeeding experience | −0.192 | 0.08 | 0.02 | 0.83 | 0.705 | 0.97 |
| Maternal milk in NICU | −0.485 | 0.191 | 0.01 | 0.62 | 0.424 | 0.90 |
| Breastfeeding in NICU | −0.429 | 0.171 | 0.01 | 0.65 | 0.466 | 0.91 |
| Breastfeeding classes | −0.27 | 0.3 | 0.37 | 0.76 | 0.424 | 1.375 |
| Gravida (<I) | 0.253 | 0.225 | 0.26 | 1.29 | 0.829 | 2.001 |
| GA (weeks) | 0.064 | 0.047 | 0.18 | 1.07 | 0.972 | 1.169 |
| BW (g) | 0.00 | 0.00 | 1.00 | 1.00 | 1 | 1 |
| Nationality (non-Greek) | −0.343 | 0.161 | 0.03 | 0.71 | 0.518 | 0.973 |
| Permanent residence (Attica) | −0.069 | 0.09 | 0.44 | 0.93 | 0.782 | 1.112 |
| Delivery mode (caesarian section) | 0.098 | 0.141 | 0.49 | 1.10 | 0.837 | 1.453 |
Abbreviations: B, beta coefficient; CI, confidence interval; SE, standard error; aHR, adjusted hazard ratio; GA, gestational age; BW, birthweight.